For a doodle, it's a whole hell of alot better than anything I can do I'm better at writing than I am at drawing, though I wanna get better. Anyway, I like this alot... very easy to see the emotions and understandwhich is which. Looks like professional anime work :3

Making the iris smaller can help make the eyes far more expressive. And if you want a challenge, try to avoid using emoticons/cheats (sweat drops, sudden changing of the eyes, angry veins, etc.) it makes for great practice c: